JP3014073B2 - Defrost water discharge device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a defrosting water discharge device for a refrigerator or a frozen food vending machine for storing food.

[0002]

2. Description of the Related Art In recent years, a defrosting water discharging device for a frozen food vending machine or a refrigerator has been used to prevent the defrosting path from freezing and clogging due to frost generated at the time of defrosting. There has been a demand for further ease of use including flexibility in the attachment and detachment work associated with the replacement of the battery and securing of the sealing property.

A conventional defrosting water discharging device is disclosed in Japanese Patent Application Laid-Open No.
There is one disclosed in JP-A-7870.

Hereinafter, the above-described conventional defrost water discharge device will be described with reference to the drawings. FIG. 6 is a side sectional view showing a position inside a main body of a refrigerator (or a frozen food vending machine) of the conventional defrost water discharging device. FIG. 7 is a side sectional view of a conventional defrost water discharge device. 6 and 7, reference numeral 1 denotes a main body of a refrigerator (or a frozen food vending machine). Reference numeral 2 denotes a cooling room, which is surrounded by cooling walls 3. An evaporator 4 is housed in the cooling chamber 2, and a defrost water receiving tray 5 is provided below the evaporator 4. A heating wire 6 for defrosting is attached to the lower surface of the defrosting water tray 5. The defrosting water receiving tray 5 is provided with a receiving hole 7. Reference numeral 8 denotes a heat insulating material that insulates a lower portion of the evaporator 4. Reference numeral 9 denotes a defrost water discharge port provided in the heat insulating material 8, which is located below the receiving hole 7.

[0005] The operation of the defrost water discharging device configured as described above will be described below. Generally, in a refrigerator or a frozen food vending machine, the frost adhering to the evaporator 4 must be periodically melted and guided to the outside of the cooling chamber 2 for evaporation. First, when defrosting is performed in the cooling chamber 2, the frost adhering to the evaporator 4 starts to melt, and falls on the defrost water receiving tray 5 in a state of water droplets or frost clumps. Further, the water droplets and the frost clots are heated and melted by the heat conduction from the defrosting heating wire 6, travel through the defrosting water discharge port 9 through the receiving hole 7, and are discharged out of the cooling chamber 2. .

[0006]

However, in the above-mentioned conventional structure, since the defrosting water tray 5 is flat, the frost clots dropped from the evaporator 4 are not sufficiently melted by the defrosting heating wire 6. However, there is a problem in that the evaporator 4 slides down on the defrosted water receiving tray 5 and clogs and freezes due to frost clots in the receiving hole 7 and the defrosted water discharge port 9, thereby lowering the capacity of the evaporator 4 and causing cooling failure. Was.

The present invention solves the conventional problem. Even if the frost clots falling from the evaporator slide down on the defrosting water tray without being sufficiently melted by the heating wire for defrosting, it is possible to remove the pits and the holes in the tray holes. It is an object of the present invention to provide a defrosting water discharge device with good cleaning and maintenance properties that does not cause clogging or freezing in a frost water discharge port, and is detachable while an evaporator, a defrost water tray, and a heat insulating material are fixed. I do.

Another object of the present invention is to provide a defrosting water discharging device which does not lower the heat insulation.

[0009]

In order to achieve the above object, a defrosting water discharging device according to the present invention comprises a cooling chamber for storing food, an evaporator housed in the cooling chamber, and a cooling chamber. a defrost water pan for receiving a Shimokatamari falling bottom from adult city the evaporator, and defrosting heating wire located on the lower surface of the defrosted water receiving tray, defrosting is provided at the deepest portion of the defrosted water receiving tray A tray hole for guiding water out of the cooling chamber without interruption, a cooling chamber mounting wall located below the defrost water tray, and a cooling chamber sandwiched between the defrost water tray and the cooling chamber mounting wall. a heat insulating material and out to insulation, the defrost water outlet located below the pan hole, removable downwardly to the defrosted water discharge mouth
A defrosting water discharge pipe provided in the defrosting water discharge pipe attached to the defrosting water discharging pipe, and a defrosting water discharging prevention pipe positioned below the cooling chamber mounting wall. A discharge pipe holding plate for supporting the lower part of the pipe is provided, and this discharge pipe holding plate is detachably provided on the cooling chamber mounting wall.

Further, the defrosted water discharge device of the present invention is provided with a defrosted water discharge pipe provided with a sealing material on an upper portion.

[0011]

The defrosting water discharge device according to the present invention is capable of discharging the defrosted water even if the frost clots falling from the evaporator slide down on the defrosting water tray before being sufficiently melted by the defrosting heating wire. The frost block is further heated and melted by a defrost water freezing prevention device consisting of a defrost water freezing prevention heating wire and a defrost water freezing prevention heating wire. The defrosting water discharge pipe can be removed, and the removable defrosting water freezing prevention device is removed to clean the defrosting water discharge pipe without dismantling the defrosting water tray, the cooling room mounting wall, and the heat insulating material. And maintenance of the defrost water freezing prevention heating wire can be easily performed.

Further, in the defrosting water discharging device of the present invention, when the defrosting water freezing prevention device is installed in the defrosting water discharge port, the sealing material fixed to the upper part of the defrosting water discharge pipe is used for defrosting. The sealing property is ensured by being pressed between the water receiving tray and the molten water, so that the infiltration of the molten water into the heat insulating material can be prevented.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of a defrost water discharging device according to the present invention will be described with reference to the drawings. The same components as those in the related art are denoted by the same reference numerals, and detailed description is omitted.

FIG. 1 is a sectional view of a defrost water discharge device according to a first embodiment of the present invention when a defrost water freezing prevention device is attached. FIG. 2 is a cross-sectional view of the defrost water discharging device of the embodiment when the defrost water freezing prevention device is removed. FIG. 3 is a side cross-sectional view illustrating a position in the main body of the frozen food vending machine of the defrost water discharging device of the embodiment.

1, 2 and 3, reference numeral 10 denotes a defrosting water freezing prevention device. It is what I wore. The defrost water freezing prevention device 10 is supported from below by the discharge pipe holding plate 13 with its lower part inserted through the holding plate hole 14 of the discharge pipe holding plate 13, and It is located directly below the provided receiving hole 7. Further, the discharge pipe holding plate 13 is screwed to the cooling chamber mounting wall 16 by screws 15. The cooling chamber mounting wall 16 is attached to the main body 1 so as to support the lower surface of the heat insulating material 8.
It is fixed to.

The operation of the defrost water discharging device configured as described above will be described below. First, when defrosting is performed in the cooling chamber 2, the frost adhering to the evaporator 4 starts to melt, and falls on the defrost water receiving tray 5 in a state of water droplets or frost clumps. Further, the water droplets and the frost clots are heated and melted by the defrosting heating wire 6, travel through the defrost water discharge pipe 11 in the defrost water discharge port 9 through the saucer hole 7, and out of the cooling chamber 2. Is discharged. At this time, even if the frost mass dropped from the evaporator 4 slides on the defrosted water receiving tray 5 without sufficiently melting by the heat conduction from the defrosting heating wire 6, the defrosted water freezing prevention device 10
By the heat conduction from the defrosting water freezing prevention heating wire 12 in the inside, it can be easily melted in the heated saucer hole 7 or the defrosting water discharge pipe 11. The melted defrost water is discharged through the defrost water discharge pipe 11 to the outside of the cooling chamber 2, so that the defrost processing can be performed without clogging or freezing due to frost clots.

When the defrosted water discharge pipe 11 is cleaned or the defrosted water freezing prevention heating wire 12 is maintained, the screw 15 is removed and the discharge pipe holding plate 13 is removed.
Defrosting water freezing prevention device 1 supported below by 3
0 can be easily removed. At the same time, maintenance and replacement work of the defrost water freezing prevention heating wire 12 attached and wound on the defrost water discharge pipe 11 can be easily performed.

As described above, the defrosting water discharging device of the present embodiment uses the heat conduction from the defrosting water freezing prevention heating wire 12 in the defrosting water freezing prevention device 10 to receive the receiving hole 7 and the defrosting water discharge pipe. Since the heating unit 11 is heated, the defrosting process can be performed without causing clogging or freezing due to frost clumps in the receiving hole 7, the defrost water discharge port 9, and the defrost water discharge pipe 11.

Further, the screw 15 is removed to remove the discharge pipe holding plate 13.
By removing the device, the defrost water freezing prevention device 10 can be easily taken out, and cleaning of the defrost water discharge pipe 11 and maintenance of the defrost water freezing prevention heating wire 12 can be easily performed.

In this embodiment, the heating wire 12 for preventing defrost water from freezing is always energized, but may be intermittently energized.

Next, a second embodiment of the defrosting water discharging device according to the present invention will be described.
Will be described with reference to the drawings. The same components as those of the first embodiment are denoted by the same reference numerals, and detailed description is omitted.

FIG. 4 is a sectional view of a defrost water discharge device according to a second embodiment of the present invention when a defrost water freezing prevention device is attached. FIG. 5 is a cross-sectional view of the defrost water discharge device of the embodiment when the defrost water freezing prevention device is removed.

In FIGS. 4 and 5, reference numeral 17 denotes a sealing material fixed to the upper surface of the defrost water discharge pipe 11.

The operation of the defrost water discharging device configured as described above will be described below. First, defrost water discharge pipe 1
At the time of cleaning of 1 and maintenance of the defrost water freezing prevention heating wire 12, when the screw 15 is removed and the discharge pipe holding plate 13 is removed, the defrost water freezing prevention device 10 supported below by the discharge pipe holding plate 13 is removed. Can be easily taken out.
Then, when re-attaching the defrost water freezing prevention device 10,
The sealing member 17 is pressed by the defrosted water receiving tray 5 and the defrosted water discharge pipe simply by performing the removal in the reverse order, so that the inside and outside of the defrosted water discharge pipe can be easily sealed.

As described above, the defrost water discharge device of the present embodiment removes the sealing material fixed on the upper part of the defrost water discharge pipe when the defrost water freezing prevention device is installed in the defrost water discharge port. By pressing and sealing between the frost water tray and the frost water tray, it is possible to prevent the molten water from entering the heat insulating material.

[0026]

The present invention described above, according to the present invention is frost to fall a cooling chamber for storing the food, the evaporator is accommodated in the cooling chamber, the bottom of the cooling chamber from adult shi said evaporator
A defrosting water tray for receiving a lump, a defrosting heating wire located on the lower surface of the defrosting water tray, and a tray provided at the deepest part of the defrosting water tray and guiding defrosted water out of the cooling chamber without interruption A hole, a cooling chamber mounting wall located below the defrost water tray, a heat insulating material sandwiched between the defrost water tray and the cooling chamber mounting wall, and heat insulating inside and outside of the cooling chamber; a defrost water outlet located below the bore, the lower this defrosted water discharge mouth
A defrosting water discharge pipe detachably provided on the defrosting water discharge pipe, a defrosting water freezing prevention heating wire stuck and wound on the defrosting water discharge pipe, and the defrosting water discharging pipe positioned below the cooling chamber mounting wall. A discharge pipe holding plate that supports a lower portion of the frost water discharge pipe, and the discharge pipe holding plate is detachably provided on the cooling chamber mounting wall, so that defrost water is discharged from the defrost water freezing prevention device. The defrosting water in the defrosting water discharge pipe is frozen even if the frost that has fallen from the evaporator during defrosting slides down on the defrosting water tray without being sufficiently melted by the defrosting heating wire. Prevents heat from the heating wire and melts and drains water in the heated pan and defrosted water discharge pipe, and clogs due to frost clumps in the pan and defrosted water outlet and defrosted water discharge pipe. And freezing can be prevented. Also, if you remove the discharge tube holding plate,
Evaporator and defrosted water pan, Joshimosui while a heat insulating material is fixed
The defrosting water discharge pipe to which the antifreeze heating wire is attached can be easily taken out, and cleaning of the defrosting water discharge pipe and maintenance of the defrosting water freezing prevention heating wire can be easily performed.

Further, according to the present invention, by providing a defrosted water discharge pipe provided with a sealant on the upper part, the sealant fixed on the upper part of the defrosted water discharge pipe is pressed between the defrosted water receiving tray. By doing so, it is possible to secure the sealing property and prevent a decrease in heat insulation performance due to water absorption of the heat insulating material by drainage.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a first embodiment of a defrost water discharge device according to the present invention when a defrost water freeze prevention device is attached.

FIG. 2 is a cross-sectional view of the defrost water discharging device of the embodiment when the defrost water freezing prevention device is removed.

FIG. 3 is a side cross-sectional view showing a position in the main body of the frozen food vending machine of the defrost water discharging device of the embodiment.

FIG. 4 is a cross-sectional view of a second embodiment of the defrost water discharge device according to the present invention when the defrost water freeze prevention device is attached.

FIG. 5 is a sectional view of the defrost water discharging device of the embodiment when the defrost water freezing prevention device is removed.

FIG. 6 is a cross-sectional side view showing a position inside a main body of a refrigerator (or a frozen food vending machine) of a conventional defrost water discharge device.

FIG. 7 is a side sectional view of a conventional defrost water discharge device.

[Explanation of symbols]

 2 Cooling room 4 Evaporator 5 Evaporated water tray 6 Defrosting heating wire 7 Receiving hole 8 Insulation material 9 Defrosted water outlet 10 Defrosted water freezing prevention device 11 Defrosted water discharge pipe 12 Defrosted water freezing prevention heating wire 13 Discharge pipe holding plate 15 Screw 16 Cooling chamber mounting wall 17 Sealing material

Claims (2)

(57) [Claims] 1. A cooling chamber for storing the food, Shi formed an evaporator housed in the cooling chamber, the bottom of the cooling chamber before
A defrosting water tray for receiving frost clots falling from the evaporator, a defrosting heating wire located on a lower surface of the defrosting water tray, and a defrosting water provided at the deepest portion of the defrosting water tray without interruption. A pan hole portion leading to the outside of the cooling chamber, a cooling chamber mounting wall located below the defrost water pan, and a heat insulating chamber between the defrost water pan and the cooling chamber mounting wall to insulate the inside and outside of the cooling chamber. Heat insulating material, a defrost water discharge port located below the pan hole, a defrost water discharge pipe detachably provided downward in the defrost water discharge port, and a defrost water discharge pipe. A defrosting water freezing prevention heating wire attached and wound; and a discharge pipe holding plate positioned below the cooling chamber mounting wall and supporting a lower portion of the defrosting water discharge pipe. A defrosting water discharging device in which a plate is detachably provided on the cooling chamber mounting wall. 2. The defrost water discharge device according to claim 1, further comprising a defrost water discharge pipe provided with a sealing material on an upper portion.